Drop php 7.

Author: adriansuter

.github/workflows/tests.yml

@@ -10,11 +10,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ 7.3, 7.4, 8.0, 8.1, 8.2 ]
+        php: [ 8.0, 8.1, 8.2, 8.3, 8.4 ]
         experimental: [ false ]
         include:
-          - php: 8.1
+          - php: 8.2
             analysis: true
+          - php: 8.3
+            experimental: true
+          - php: 8.4
+            experimental: true
 
     steps:
       - name: Checkout